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- W2065260087 startingPage "2876" @default.
- W2065260087 abstract "Abstract The implementation of engineered surfaces presenting micrometer‐sized patterns of cell adhesive ligands against a biologically inert background has led to numerous discoveries in fundamental cell biology. While existing surface patterning strategies allow patterning of a single ligand, it is still challenging to fabricate surfaces displaying multiple patterned ligands. To address this issue we implemented laser scanning lithography (LSL), a laser‐based thermal desorption technique, to fabricate multifaceted, micropatterned surfaces that display independent arrays of subcellular‐sized patterns of multiple adhesive ligands with each ligand confined to its own array. We demonstrate that LSL is a highly versatile “maskless” surface patterning strategy that provides the ability to create patterns with features ranging from 460 nm to 100 μm, topography ranging from ‐1 to 17 nm, and to fabricate both stepwise and smooth ligand surface density gradients. As validation for their use in cell studies, surfaces presenting orthogonally interwoven arrays of 1 μm × 8 μm elliptical patterns of Gly‐Arg‐Gly‐Asp‐terminated alkanethiol self‐assembled monolayers and human plasma fibronectin are produced. Human umbilical vein endothelial cells cultured on these multifaceted surfaces form adhesion sites to both ligands simultaneously and utilize both ligands for lamella formation during migration. The ability to create multifaceted, patterned surfaces with tight control over pattern size, spacing, and topography provides a platform to simultaneously investigate the complex interactions of extracellular matrix geometry, biochemistry, and topography on cell adhesion and downstream cell behavior." @default.
- W2065260087 created "2016-06-24" @default.
- W2065260087 creator A5021018333 @default.
- W2065260087 creator A5029729155 @default.
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- W2065260087 date "2011-05-31" @default.
- W2065260087 modified "2023-10-17" @default.
- W2065260087 title "Fabrication of Multifaceted Micropatterned Surfaces with Laser Scanning Lithography" @default.
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- W2065260087 doi "https://doi.org/10.1002/adfm.201100297" @default.
- W2065260087 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/5978433" @default.
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- W2065260087 hasPublicationYear "2011" @default.
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